Home / 143,325.80-215,075.10-49,897.16

Finding the Fourth Proportional to 143,325.80, 215,075.10 and 49,897.16

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Solution

The fourth proportional to 143,325.80, 215,075.10 and 49,897.16 is: 74,875.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,325.80 : 215,075.10 = 49,897.16 : x
  2. Step 2: Convert to fraction form
    143,325.80/215,075.10 = 49,897.16/x
  3. Step 3: Cross multiply
    143,325.80x = 215,075.10 × 49,897.16
  4. Step 4: Simplify right side
    143,325.80x = 10,731,636,676.72
  5. Step 5: Solve for x
    x = 10,731,636,676.72/143,325.80
  6. Step 6: Final answer
    x = 74,875.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.